Volume 71, 1942
– 183 –

Group B. Stipules absent.
| 1. Stems 2–3 inches high, branched, leaves pinnatifid, toothed and ciliate | pinnatifolia | |
| Plants smaller, leaves non-pinnatifid, lobes concave, inflated | 2 | |
| 2. Leaves papillose, very pale green | tuloides | |
| Leaves smooth, brownish | conchophylla |
